<template>
    <div class="chooseIcons">
        <el-popover placement="bottom" width="450" trigger="click">
            <span slot="reference" style="display: inline-block;width:200px;height: 33px;line-height: 33px;">
                <i :class="userChooseIcon"></i>
              {{ userChooseIcon }}
            </span>
            <div class="iconList">
                <i v-for="item in iconList" :key="item" :class="item" @click="setIcon(item)"style="font-size: 20px"></i>
            </div>
        </el-popover>
    </div>
</template>
<script>
  //导入自定义的icon图标库
  import {
    elementIcons
  } from "@/utils/icons";
  export default {
    name: 'MyIcon',
    data() {
      return {
        userChooseIcon: "", //用户选中的图标
        iconList: [], //图标列表
      }
    },
    methods: {
      /**
       * 获取图标列表
       */
      getIconList() {
        this.iconList = elementIcons;
      },
      //给icon绑定的点击事件
      setIcon(icon) {
        //将i的样式设为选中的样式el-icon-xxx
        this.userChooseIcon = icon;
        //将选中的图标传递给父组件
        this.$emit("selecticon", icon)
      },
    },
    created() {
      //获取图标列表
      this.getIconList();
    }
  }
 </script>
 <style scoped lang="scss">
  .iconList {
    width: 400px;
    height: 300px;
    overflow-y: scroll;
    overflow-x: hidden;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    i {
      display: inline-block;
      width: 60px;
      height: 45px;
      color: #000000;
      font-size: 20px;
      border: 1px solid #e6e6e6;
      border-radius: 4px;
      cursor: pointer;
      text-align: center;
      line-height: 45px;
      margin: 5px;
      &:hover {
        color: orange;
        border-color: orange;
      }
    }
  }
  .chooseIcons {
    width: 195px;
    background-color: #FFFFFF;
    background-image: none;
    border-radius: 4px;
    border: 1px solid #DCDFE6;
    box-sizing: border-box;
    color: #606266;
    display: inline-block;
    font-size: inherit;
    height: 33px;
    line-height: 25px;
    outline: none;
    padding: 0 15px;
    transition: border-color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
  }
 </style>